F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
192/10
F16D 43/284 (2006.01)
Patent
CA 1103600
Abstract of the Disclosure A fluid pressure operated clutch which transmits torque from an engine output shaft to a transmission input shaft, including a rotatable flywheel connected to the out- put shaft, an adapter connected to the flywheel for rotation with the flywheel, the adapter having a first annular plate with a fluid passage near the inner periphery of the plate, and a centrifugal piston which defines with the adapter a fluid chamber supporting a rotatable torus of hydraulic fluid. The piston has a second annular plate, slideable with respect to the first plate, and a second fluid passage near the outer periphery of the second plate. The first and second plates, at their inner peripheries, provide a controlled clearance to vary the rate of hydraulic fluid into the first fluid chamber as the second plate slides. A centrifugal relief valve is connected to the piston and has a conical valve member removably seated on an outlet of the valve to drain fluid from the chamber through the second passage and the outlet when engine overspeed occurs. A clutch pack of friction plates responds to movement of the piston to engage and disengage the clutch.
313791
Chadwick Curtis E.
Johnson Gordon W.
Nerstad Karl A.
Caterpillar Tractor Co.
Kirby Eades Gale Baker
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